616206442 has 32 divisors (see below), whose sum is σ = 1018785600. Its totient is φ = 278385408.

The previous prime is 616206439. The next prime is 616206491. The reversal of 616206442 is 244602616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88098 + ... + 94834.

It is an arithmetic number, because the mean of its divisors is an integer number (31837050).

Almost surely, 2^616206442 is an apocalyptic number.

616206442 is a deficient number, since it is larger than the sum of its proper divisors (402579158).

616206442 is a wasteful number, since it uses less digits than its factorization.

616206442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 616206442 is about 24823.5058362029. The cubic root of 616206442 is about 850.9592133275.

The spelling of 616206442 in words is "six hundred sixteen million, two hundred six thousand, four hundred forty-two".